4.5. Adjustment of CRT VRS
NOTE: FOR FLAT CRT ONLY
PREPARATION
1. Set DY to CRT not to tilt up and down left and right
deflection.
2. Set CY to CRT and set CY magnet primarily.
Pur Mg : Set Pur Mg that 2 magnets are (top position)
VRS Mag : Set VRS Mg that 2 magnets are (horizontal position) only 21”, 25” & 29”
3. Set geomagnetic corection DAC. AS IN TABLE 1.
ADJUSTMENT
1. Receive the white balance pattern.
2. Adjust V-CENTER.
3. Set R, B CUT OFF to minimum, and set G CUT OFF to center.
4. Receive the aging pattern.
5. Set 2 magnet of vertical position to up and down equally so that center part of CRT (Fig 4)
10
TC-21Z80PQ
Summary of Contents for TC-21Z80PQ
Page 4: ...1 5 GP3 Block Diagram 4 TC 21Z80PQ ...
Page 11: ...5 CONDUCTOR VIEWS 5 1 TNP4G269 A BOARD 11 TC 21Z80PQ ...
Page 12: ...6 SCHEMATIC DIAGRAM FOR GP3 CHASSIS 6 1 SCHEMATIC DIAGRAM FOR GP3 CHASSIS 12 TC 21Z80PQ ...
Page 13: ...13 TC 21Z80PQ ...
Page 18: ...6 2 5 A Board 5 5 1D 2D 3D 4D 6D 7D 8D 5D 18 TC 21Z80PQ ...
Page 19: ...6 3 L Board 6 3 1 L Board 1 2 1A 2A 3A 4A 5A 6A 7A 19 TC 21Z80PQ ...
Page 20: ...6 3 2 L Board 2 2 1A 2A 3A 4A 5A 6A 7A 20 TC 21Z80PQ ...
Page 21: ...7 PARTS LOCATION 21 TC 21Z80PQ ...
Page 22: ...8 1 Replacement Parts List Notes 8 REPLACEMENT PARTS LIST 22 TC 21Z80PQ ...
